A Guide to Astrophotography With Digital SLR Cameras by
expert imager Jerry Lodriguss.
This CD gives a good overview about imaging with dslr cameras including the various models, settings to acquire the data, image calibration and image processing. It also contains helpful video tutorials and a few practice files. More details can be found here
http://www.astropix.com/GADC/GADC.HTM
It's suitable for both novice and experienced people. I found this very helpful when I first began getting serious about processing my images in PS.
Price: $30 (postage included Australia wide)